Commit 9028b246 authored by Jens Wiklander's avatar Jens Wiklander
Browse files

tee: add sec_world_id to struct tee_shm 



Adds sec_world_id to struct tee_shm which describes a shared memory
object. sec_world_id can be used by a driver to store an id assigned by
secure world.

Reviewed-by: default avatarSumit Garg <sumit.garg@linaro.org>
Signed-off-by: default avatarJens Wiklander <jens.wiklander@linaro.org>
parent 7f565d0e

include/linux/tee_drv.h

+6 −1
Original line number Diff line number Diff line
@@ -197,7 +197,11 @@ int tee_session_calc_client_uuid(uuid_t *uuid, u32 connection_method, 
 * @num_pages:	number of locked pages

 * @dmabuf:	dmabuf used to for exporting to user space

 * @flags:	defined by TEE_SHM_* in tee_drv.h

 * @id:		unique id of a shared memory object on this device

 * @id:		unique id of a shared memory object on this device, shared

 *		with user space

 * @sec_world_id:

 *		secure world assigned id of this shared memory object, not

 *		used by all drivers

 *

 * This pool is only supposed to be accessed directly from the TEE

 * subsystem and from drivers that implements their own shm pool manager.
@@ -213,6 +217,7 @@ struct tee_shm { 
	struct dma_buf *dmabuf;

	u32 flags;

	int id;

	u64 sec_world_id;

};



/**